Implement hybrid filtering strategy for parks and rides

- Added comprehensive documentation for hybrid filtering implementation, including architecture, API endpoints, performance characteristics, and usage examples.
- Developed a hybrid pagination and client-side filtering recommendation, detailing server-side responsibilities and client-side logic.
- Created a test script for hybrid filtering endpoints, covering various test cases including basic filtering, search functionality, pagination, and edge cases.

backend/apps/api/v1/parks/urls.py

@@ -17,7 +17,7 @@ from .park_views import (
     ParkSearchSuggestionsAPIView,
     ParkImageSettingsAPIView,
 )
-from .views import ParkPhotoViewSet
+from .views import ParkPhotoViewSet, HybridParkAPIView, ParkFilterMetadataAPIView
 
 # Create router for nested photo endpoints
 router = DefaultRouter()
@@ -28,6 +28,11 @@ app_name = "api_v1_parks"
 urlpatterns = [
     # Core list/create endpoints
     path("", ParkListCreateAPIView.as_view(), name="park-list-create"),
+    
+    # Hybrid filtering endpoints
+    path("hybrid/", HybridParkAPIView.as_view(), name="park-hybrid-list"),
+    path("hybrid/filter-metadata/", ParkFilterMetadataAPIView.as_view(), name="park-hybrid-filter-metadata"),
+    
     # Filter options
     path("filter-options/", FilterOptionsAPIView.as_view(), name="park-filter-options"),
     # Autocomplete / suggestion endpoints